Question

If there are N atoms in a source of Laser light and each atom is emitting light with intensity I, then the total intensity produced by it is

• A. NI
• B. $N^{2}I$
• C. $N^{3}I$
• D. $N^{4}I$

Answer 1

Answer: (B)

$N^{2}I$

Answer 2

$N^{2}I$